Engine Coolant Temperature Gage Inaccurate or Inoperative. Buick Park Avenue 1999

For 1990-2009 cars only

Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Engine Coolant Temperature Gage Inaccurate or Inoperative

Step	Action	Value(s)	Yes	No
1	Turn the ignition switch to RUN. Connect a scan tool. Select the instrument cluster Data Menu. View the coolant temperature input data on the scan tool. Does the coolant temperature input data on the scan tool match the coolant temperature on the instrument cluster?	--	Go to Engine Controls	Go to Step 2
2	Replace the instrument cluster. Is the repair complete?	--	Go to Diagnostic System Check - Instrument Cluster	--

Step

Action

Value(s)

Yes

Turn the ignition switch to RUN.
Connect a scan tool.
Select the instrument cluster Data Menu.
View the coolant temperature input data on the scan tool.

Does the coolant temperature input data on the scan tool match the coolant temperature on the instrument cluster?

Go to Engine Controls

Go to Step 2

Replace the instrument cluster.

Is the repair complete?

Go to Diagnostic System Check - Instrument Cluster